Question: Who is Charles Darwin's child?
Paraphrase: Who is Charles Darwin's child?
SPARQL (Wikidata):  select distinct ?obj where { wd:Q1035 wdt:P40 ?obj . ?obj wdt:P31 wd:Q5 } 
Answer: George Howard Darwin, Leonard Da Vinci, Francis Darwin, Horace Darwin, Anne Darwin, William Erasmus Darwin, Henrietta Darwin, Elizabeth Darwin, Mary Eleanor Darwin